import java.util.Scanner;

public class test04 {
    public static void main(String[] args) {
        Scanner sc=new Scanner(System.in);
        int i=sc.nextInt();
        int j=sc.nextInt();
        int temp=sc.nextInt();
        switch (temp){
            case 1:
                System.out.println(i+j+"="+i+"+"+j);
                break;
            case 2:
                System.out.println(i-j+"="+i+"-"+j);
                break;
            case 3:
                System.out.println(i*j+"="+i+"*"+j);
                break;
            case 4:
                System.out.println(i/j+"="+i+"/"+j);
                break;
            default:
                System.out.println("输入的而数据有错");
                break;


        }




    }
}
